222298 has 4 divisors (see below), whose sum is σ = 333450. Its totient is φ = 111148.

The previous prime is 222293. The next prime is 222311. The reversal of 222298 is 892222.

222298 is nontrivially palindromic in base 12.

222298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 892222 = 2 ⋅446111.

It can be written as a sum of positive squares in only one way, i.e., 190969 + 31329 = 437^2 + 177^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (222293) by changing a digit.

222298 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55573 + ... + 55576.

2²²²²⁹⁸ is an apocalyptic number.

222298 is a deficient number, since it is larger than the sum of its proper divisors (111152).

222298 is a wasteful number, since it uses less digits than its factorization.

222298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111151.

The product of its digits is 1152, while the sum is 25.

The square root of 222298 is about 471.4848884111. The cubic root of 222298 is about 60.5775705133.

The spelling of 222298 in words is "two hundred twenty-two thousand, two hundred ninety-eight".